Question about Aprilaire 550 Humidifier
It sounds like a wiring problem. If you still have the instructions that came with the unit, look at the wiring diagram and make sure you have everything right. If you dont have the instructions, you can find them online. Be careful you dont zap yourself! When you're in there playing around with wires make sure you kill the power to the furnace at the breaker. Double check this with a voltage tester if you have one. Also, if you're not sure you may want to disconnect the unit until you can afford to have a qualified professional look at it or you may end up doing more harm than good.
Posted on Dec 16, 2008
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Posted on Jan 02, 2017
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